Abstract

Disclosed is a driving apparatus of an embroidery frame of a sewing machine in which a driving unit of a sewing frame reciprocates on an X- and/or Y-axis fixed frames, installed to a beam-body of the sewing machine so that a uniform driving force can be transmitted to the embroidery frame, inferior embroidery caused by vibration can be prevented, a size of the sewing machine is reduced, and a high-speed operation is enabled. The apparatus includes an embroidery frame driving unit having the embroidery frame to fix an object and placed on a table of the sewing machine, and a Y-directional movement mechanism to move the frame driving unit in the Y-direction. The Y-directional movement mechanism includes a fixed frame having gear teeth, and an embroidery frame driving unit installed on the fixed frame engaged with the gear teeth to reciprocate the frame driving unit in the Y-direction.

IPC Classes  ?

• D05C 9/04 - Work holders, e.g. frames

Abstract

Disclosed are a rack and pinion type power transmission and a driving apparatus of an embroidery frame of an embroidery machine having the same. The gear teeth, which are engaged with the engaging member connected to the power source, are formed in the lower side of the a single movable frame, to which the embroidery frame is fixed, so as to directly move the movable frame, so that uniform driving force is transmitted to the embroidery frame during the movements of the embroidery frame. Thus, the high reliable and steady movement is performed. The driving apparatus includes any one of the X- and Y-directional movement mechanisms. The mechanism includes a fixed frame installed to a beam-body of the sewing machine, a movable frame movably installed on the fixed frame and having gear teeth, and a movable frame movement mechanism engaged with the gear teeth to reciprocate the movable frame.

IPC Classes  ?

• D05B 21/00 - Sewing machines with devices for automatically controlling movement of work-carrier relative to stitch-forming mechanism in order to obtain particular configuration of seam, e.g. programme-controlled for sewing collars, for attaching pockets
• D05B 69/30 - Driving-gear or control devices for sewing machines Details

Abstract

The present invention relates to a rack and pinion type power transmission and a driving apparatus of an embroidery frame of an embroidery machine having the same. The gear teeth, which are engaged with the engaging member connected to the power source, are formed in the lower side of the a single movable frame, to which the embroidery frame is fixed, so as to directly move the movable frame, so that uniform driving force is transmitted to the embroidery frame during the movements of the embroidery frame. Thus, the high reliable and steady movement is performed.

IPC Classes  ?

• D05C 9/04 - Work holders, e.g. frames